0=6+c-c^2

Solution for 0=6+c-c^2 equation:

Simplifying
0 = 6 + c + -1c2

Solving
0 = 6 + c + -1c2

Solving for variable 'c'.

Combine like terms: 0 + -6 = -6
-6 + -1c + c2 = 6 + c + -1c2 + -6 + -1c + c2

Reorder the terms:
-6 + -1c + c2 = 6 + -6 + c + -1c + -1c2 + c2

Combine like terms: 6 + -6 = 0
-6 + -1c + c2 = 0 + c + -1c + -1c2 + c2
-6 + -1c + c2 = c + -1c + -1c2 + c2

Combine like terms: c + -1c = 0
-6 + -1c + c2 = 0 + -1c2 + c2
-6 + -1c + c2 = -1c2 + c2

Combine like terms: -1c2 + c2 = 0
-6 + -1c + c2 = 0

Factor a trinomial.
(-2 + -1c)(3 + -1c) = 0

Subproblem 1
Set the factor '(-2 + -1c)' equal to zero and attempt to solve:

Simplifying
-2 + -1c = 0

Solving
-2 + -1c = 0

Move all terms containing c to the left, all other terms to the right.

Add '2' to each side of the equation.
-2 + 2 + -1c = 0 + 2

Combine like terms: -2 + 2 = 0
0 + -1c = 0 + 2
-1c = 0 + 2

Combine like terms: 0 + 2 = 2
-1c = 2

Divide each side by '-1'.
c = -2

Simplifying
c = -2
Subproblem 2
Set the factor '(3 + -1c)' equal to zero and attempt to solve:

Simplifying
3 + -1c = 0

Solving
3 + -1c = 0

Move all terms containing c to the left, all other terms to the right.

Add '-3' to each side of the equation.
3 + -3 + -1c = 0 + -3

Combine like terms: 3 + -3 = 0
0 + -1c = 0 + -3
-1c = 0 + -3

Combine like terms: 0 + -3 = -3
-1c = -3

Divide each side by '-1'.
c = 3

Simplifying
c = 3
Solution
c = {-2, 3}